Attributes / relations provided by
♦ ¹Food Web Relationships of Northern Puget Sound and the Strait of Juan de Fuca : a Synthesis of the Available Knowledge, Charles A. Simenstad, Bruce S. Miller, Carl F. Nyblade, Kathleen Thornburgh, and Lewis J. Bledsoe, EPA-600 7-29-259 September 1979
♦ ²Food habits of the longnose skate, Raja rhina (Jordan and Gilbert, 1880), in central California waters, Heather J. Robinson, Gregor M. Cailliet, David A. Ebert, Environ Biol Fish (2007) 80:165–179